The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for procrastinate is "to put off intentionally.", the definition for revive is "To bring back to life.", and the definition for raspy is "rough, grating."

The definition for recrimination is "A retaliatory accusation." Used in a sentence: Frank, who was wounded by Sally's remark, made a bitter recrimination. The definition for heed is "to pay attention to.", the definition for pretense is "False intention or purpose.", and the definition for disdain is "Feeling of contempt."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for onset is "beginning.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for incidental is "Minor."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for distortion is "the act of twisting out of shape.", the definition for punctual is "On time.", and the definition for onset is "Beginning."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for oblivious is "lacking awareness.", the definition for curtail is "To make less.", and the definition for buffer is "Protective barrier."